Merge branch 'drop-vault-in-manual' into 'master'

Don't use gitlab-vault as a dependency during a manual install.

See merge request !34

README.md

@@ -27,7 +27,7 @@ mkdir "$chef_root"
 cd "$chef_root"
 mkdir cookbooks
 git clone https://gitlab.com/gitlab-org/gitlab-omnibus-builder.git cookbooks/gitlab-omnibus-builder
-git clone https://gitlab.com/gitlab-cookbooks/gitlab-vault.git cookbooks/gitlab-vault
+sed -i.bak '/depend/d' ./cookbooks/gitlab-omnibus-builder/metadata.rb
 /opt/chef/bin/chef-client -z -r 'recipe[gitlab-omnibus-builder::default]'
 )
 ```